[test] jstest fixes

* direct execution comment accidental removal
* zip type check in 'traverse'
* less convoluted 'variables' in JSInterpreter initialization
* tiny bit more meaningful log messages
* changing single letter flags to more explanatory names
* refactoring skip test logic

test/jstests/branch.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _RELATIONS
 
-skip = {'i': 'Interpreting if statement not yet implemented'}
+skip = {'interpret': 'Interpreting if statement not yet implemented'}
 
 tests = [
     {

test/jstests/debug.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 
-skip = {'i': 'Interpreting debugger statement not yet implemented',
-        'p': 'Test not yet implemented: missing code and ast'}
+skip = {'interpret': 'Interpreting debugger statement not yet implemented',
+        'parse': 'Test not yet implemented: missing code and ast'}
 
 tests = [
     {

test/jstests/do_loop.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
-skip = {'i': 'Interpreting do loop not yet implemented'}
+skip = {'interpret': 'Interpreting do loop not yet implemented'}
 
 tests = [
     {

test/jstests/for_empty.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
-skip = {'i': 'Interpreting for empty loop not yet implemented'}
+skip = {'interpret': 'Interpreting for empty loop not yet implemented'}
 
 tests = [
     {

test/jstests/for_in.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS
 
-skip = {'i': 'Interpreting for in loop not yet implemented'}
+skip = {'interpret': 'Interpreting for in loop not yet implemented'}
 
 tests = [
     {

test/jstests/for_loop.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
-skip = {'i': 'Interpreting for loop not yet implemented'}
+skip = {'interpret': 'Interpreting for loop not yet implemented'}
 
 tests = [
     {

test/jstests/func_expr.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS
 
-skip = {'i': 'Interpreting function expression not yet implemented'}
+skip = {'interpret': 'Interpreting function expression not yet implemented'}
 
 tests = [
     {

test/jstests/label.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 
-skip = {'i': 'Interpreting label not yet implemented',
-        'p': 'Test not yet implemented: missing code and ast'}
+skip = {'interpret': 'Interpreting label not yet implemented',
+        'parse': 'Test not yet implemented: missing code and ast'}
 
 tests = [
     {

test/jstests/object_literal.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _OPERATORS
 
-skip = {'i': 'Interpreting object literals not yet implemented'}
+skip = {'interpret': 'Interpreting object literals not yet implemented'}
 
 tests = [
     {

test/jstests/precedence.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _OPERATORS
 
-skip = {'i': 'Interpreting built-in fields not yet implemented'}
+skip = {'interpret': 'Interpreting built-in fields not yet implemented'}
 
 tests = [
     {

test/jstests/switch.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS
 
-skip = {'i': 'Interpreting switch statement not yet implemented'}
+skip = {'interpret': 'Interpreting switch statement not yet implemented'}
 
 tests = [
     {

test/jstests/try_statement.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 
-skip = {'i': 'Interpreting try statement not yet implemented',
-        'p': 'Test not yet implemented: missing code and ast'}
+skip = {'interpret': 'Interpreting try statement not yet implemented',
+        'parse': 'Test not yet implemented: missing code and ast'}
 
 tests = [
     {

test/jstests/unary.py

@@ -1,5 +1,5 @@
 
-skip = {'p': True}
+skip = {'parse': True}
 
 tests = [
     {

test/jstests/while_loop.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 from youtube_dl.jsinterp.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
-skip = {'i': 'Interpreting while loop not yet implemented'}
+skip = {'interpret': 'Interpreting while loop not yet implemented'}
 
 tests = [
     {

test/jstests/with_statement.py

@@ -1,7 +1,7 @@
 from youtube_dl.jsinterp.jsgrammar import Token
 
-skip = {'i': 'Interpreting with statement not yet implemented',
-        'p': 'Test not yet implemented: missing code and ast'}
+skip = {'interpret': 'Interpreting with statement not yet implemented',
+        'parse': 'Test not yet implemented: missing code and ast'}
 
 tests = [
     {

test/test_jsinterp.py

@@ -2,6 +2,7 @@
 
 from __future__ import unicode_literals
 
+# Allow direct execution
 import os
 import sys
 import logging
@@ -28,7 +29,7 @@ class TestJSInterpreter(unittest.TestCase):
 def generator(test_case, name):
     def test_template(self):
         for test in test_case['subtests']:
-            jsi = JSInterpreter(test['code'], variables=None if 'globals' not in test else test['globals'])
+            jsi = JSInterpreter(test['code'], variables=test.get('globals'))
             if 'asserts' in test:
                 for a in test['asserts']:
                     if 'call' in a:
@@ -36,34 +37,39 @@ def generator(test_case, name):
                     else:
                         self.assertEqual(jsi.run(), a['value'])
             else:
-                log.debug('No asserts, skipping subtest')
+                log.debug('No assertion for subtest, skipping')
 
     log = logging.getLogger('TestJSInterpreter.%s' % name)
-
-    if 'i' not in test_case['skip']:
-        reason = False
-    else:
-        reason = test_case['skip']['i']
-
-    return test_template if not reason else unittest.skip(reason)(test_template)
+    return test_template
 
 
 # And add them to TestJSInterpreter
 for n, tc in enumerate(defs):
-    if 'i' not in tc['skip'] or tc['skip']['i'] is not True:
+    reason = tc['skip'].get('interpret', False)
     tname = 'test_' + str(tc['name'])
     i = 1
     while hasattr(TestJSInterpreter, tname):
         tname = 'test_%s_%d' % (tc['name'], i)
         i += 1
-        if any('asserts' in test for test in tc['subtests']):
+
+    if reason is not True:
+        log_reason = 'Entirely'
+    elif not any('asserts' in test for test in tc['subtests']):
+        log_reason = '''There isn't any assertion'''
+    else:
+        log_reason = None
+
+    if log_reason is not None:
         test_method = generator(tc, tname)
         test_method.__name__ = str(tname)
+        if reason is not False:
+            test_method.__unittest_skip__ = True
+            test_method.__unittest_skip_why__ = reason
         setattr(TestJSInterpreter, test_method.__name__, test_method)
         del test_method
     else:
         log = logging.getLogger('TestJSInterpreter')
-            log.debug('''Skipping %s:There isn't any assertion''' % tname)
+        log.debug('Skipping %s:%s' % (tname, log_reason))
 
 if __name__ == '__main__':
     unittest.main()

test/test_jsinterp_parse.py

@@ -2,6 +2,7 @@
 
 from __future__ import unicode_literals
 
+# Allow direct execution
 import os
 import sys
 import logging
@@ -18,7 +19,7 @@ from .jstests import gettestcases
 
 
 def traverse(node, tree_types=(list, tuple)):
-    if type(node) == zip:
+    if sys.version_info > (3,) and isinstance(node, zip):
         node = list(copy.deepcopy(node))
     if isinstance(node, tree_types):
         tree = []
@@ -42,35 +43,37 @@ class TestJSInterpreterParse(unittest.TestCase):
 def generator(test_case, name):
     def test_template(self):
         for a in test_case['subtests']:
-            jsi = JSInterpreter(a['code'], variables=None if 'globals' not in a else a['globals'])
+            jsi = JSInterpreter(a['code'], variables=a.get('globals'))
             parsed = list(jsi.parse())
             if 'ast' in a:
                 self.assertEqual(traverse(parsed), traverse(a['ast']))
             else:
-                log.debug('No AST, trying to parsing only')
+                log.debug('No AST for subtest, trying to parse only')
 
-    log = logging.getLogger('TestJSInterpreterParse.%s' + name)
-
-    if 'p' not in test_case['skip']:
-        reason = False
-    else:
-        reason = test_case['skip']['p']
-
-    return test_template if not reason else unittest.skip(reason)(test_template)
+    log = logging.getLogger('TestJSInterpreterParse.%s' % name)
+    return test_template
 
 
 # And add them to TestJSInterpreterParse
 for n, tc in enumerate(defs):
-    if 'p' not in tc['skip'] or tc['skip']['p'] is not True:
+    reason = tc['skip'].get('parse', False)
     tname = 'test_' + str(tc['name'])
     i = 1
     while hasattr(TestJSInterpreterParse, tname):
         tname = 'test_%s_%d' % (tc['name'], i)
         i += 1
+    if reason is not True:
         test_method = generator(tc, tname)
+        if reason is not False:
+            test_method.__unittest_skip__ = True
+            test_method.__unittest_skip_why__ = reason
         test_method.__name__ = str(tname)
         setattr(TestJSInterpreterParse, test_method.__name__, test_method)
         del test_method
+    else:
+        log = logging.getLogger('TestJSInterpreterParse')
+        log.debug('Skipping %s:Entirely' % tname)
+
 
 if __name__ == '__main__':
     unittest.main()